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Dow Lake Dam

General Information

Dow Lake Dam is located in Strouds Run State Park in Athens County, just east of the city of Athens. The dam was originally constructed in 1959 and serves as a recreational lake for the park. The facility includes an earth fill embankment and an 8-foot-diameter concrete spillway pipe with a 16-foot-diameter concrete riser. The structure has a 2-foot diameter sluice gate lake drain in the spillway riser. The earthen embankment is 775 feet long and 66 feet high. Dow Lake (aka Strouds Run Lake) impounds approximately 161 acres at normal pool and has a contributing drainage area of 7.3 square miles. Dow Lake Dam is classified as a Class I dam in which failure of the structure would result in probable loss of life.


Several deep slides have been observed on the earthen embankment for Dow Lake Dam, requiring temporary repairs of the embankment over the last two years. In addition, the dam does not currently pass the minimum design flood standard required in Ohio Administrative Code 1501:21-13-02.


Preliminary alternatives for the remediation of these problems were considered and a recommended alternative was selected. Based upon the condition of the downstream slope, the embankment will be widened increasing the crest width by 50 feet and by flattening the slope of the downstream face of the embankment from 2.5H:1V to 3H:1V. The toe drain system will be replaced and a chimney drain system will be added to the embankment during widening. Improvements to meet flood capacity will be made as part of a future construction project. Construction will begin in Spring, 2014 and is scheduled to be completed in September. The total cost of construction is $2.2 million.

dam problem areas

dam problem areas

dam problem areas

Dow Lake Dam: Vital Statistics

  • Maximum Embankment Height: 66 feet
  • Length of Dam: 775 feet
  • Crest Width: 15 feet
  • Reservoir Surface Area At Top Of Dam: 290 acres
  • Storage Capacity at Principal Spillway Elevation: 2,126 acre-feet = 692,760,000 gallons
  • Principal Spillway Type: Concrete pipe and riser
  • Emergency Spillway: None
  • Principal Spillway Crest Elevation: 660 ft above msl
  • Reservoir Surface Area at Principal Spillway: 161 acres
  • Lake Drains: 2-foot-diamteter sluice gate in spillway riser
  • Dam Classification: Class I
  • Lake Constructed: 1959
  • Lake Inflow: Strouds Run
  • Total Drainage Area To Lake: 7.3 square miles
  • Lake Outflow: Strouds Run into the Hocking River
  • Counties: The site is located in Stroud’s Run State Park in Athens County
  • Communities: Athens, Fisher

To request more information you may write to:

Ohio Department of Natural Resources
Statewide Dam Repair Project

2045 Morse Road, Building C-4
Columbus, Ohio 43229

or send an email communication to DamRiskReduction@dnr.state.oh.us. You also may call the ODNR at (614) 265-6559.